Based on Normal Mode theory, the explanation of sound field fluctuation characteristic caused by internal waves is given.
基于声简正波理论，给出了内波导致声场起伏特性的一般理论解释。
A intracavity multiphoton absorber in driven optical systems is a effective means to depress the internal field fluctuation.
在受驱动光学系统中增设内腔多光子吸收元件是抑制腔场噪声的有效手段。
Among modern western economics RBC model is a kind of frontier in explaining the cause of economic fluctuation, and it is a tendency in macroeconomics field.
RBC理论或方法是当代西方经济学界解释经济波动最具前沿的一种理论或方法，也是宏观经济分析的方向。
And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavefront of the laser beam with phase modulation and amplitude fluctuation.
而且，利用双狭缝滤波和“交叉滤波”技术能够提取出具有位相调制或者是具有振幅起伏的近场波面。
The result shows that the flow field near the connection of the big and small cone sections is more fluent, particularly the fluctuation of the axial velocity of the hydrocyclone is greatly reduced.
结果表明，在大、小锥段交接处附近的流场更加顺畅，特别是水力旋流器轴向速度的波动明显减少。
It was found that there was a distinct response fluctuation when temperature was measured by thermocouple in a microwave field.
利用热电偶在微波环境中测量温度时，存在着明显的温度响应波动。
Based on the data of a long term field experiment of dryland crops, this article points out that yield fluctuation, expressed in fluctuating coefficient, is a regular phenomenon in dryland farming.
根据旱地作物长期田间试验数据，论述了旱作农业生产中作物产量波动性是一个规律性现象，并用波动系数加以表述。
The invention relates to a voltage fluctuation and flicker generation device, which belongs to the power quality control technology field.
一种电压波动和闪变发生装置，属于电能质量控制技术领域。
Static hydrocyclone being used now in oil field is inefficiency and fluctuation of oil flow also affects its efficiency.
目前使用的静态水力旋流除砂器效率低并且油田现场流量波动较大对分离效率有较大的影响。
The affecting law of structure fluctuation and energy fluctuation on dendrite growth in pure undercooled melt was studied by simulation of a phase-field method.
采用捕获液态界面改进的相场方法，系统地研究了结构起伏、能量起伏对过冷纯金属熔体中树枝晶生长的影响规律。
The conclusion is that this acoustic anomaly may be interpreted by nonlinear coupling of the elastic strain field to the fluctuation of the soft-mode coordinate.
这种声学反常行为可以用均匀弹性应变场与软模坐标涨落的非线性耦合来解释。
This study focused on analysis of pressure fluctuation on the body surface, prediction of exterior far-field noise and interior noise and the road tests.
本文的研究重点包括车身表面脉动压力的求解和分析、车外远场噪声和车内噪声的预估以及实车道路试验研究。
This paper mainly studies the coupling error caused by induction voltage phase difference, and fluctuation of directional sensitivity caused by changes in near-field difference slope.
本文着重研究了因近场感应电压相位差引起的耦合误差，以及近场天线差斜率变化引起的定向灵敏度的变化；
Gravity field distribution can comprehensively reflect various geological bodies, the depth, fluctuation and density of physical properties interface can be obtained with measured gravity data.
重力场的分布特征是地下多种地质体的综合反映，用实测重力资料进行反演，确定物性分界面的深度、起伏和密度分布等是我们十分关心的问题之一。
We obtain the distribution functions for quarks(and anti-quarks)and gluons under perturbation of the fluctuation of the color field.
的夸克和反夸克在色场涨落扰动下偏离平衡较远。
Field experiments on fluctuation velocities were carried out at the section Huanglingmiao of stem stream of Yangtze River with an Acoustic Doppler Current Profile (ADCP).
采用多谱勒三相流速仪，在长江干流黄陵庙水文观测断面进行脉动流速观测，获得了不同流量级、不同垂线的脉动流速资料。
Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.
然后从理论上研究了电流传感器测量误差和非正弦磁场分布对永磁同步电机转矩波动的影响。
When the amplitude of the fluctuation is finite with respect to the average magnetic field intensity, the nonlinear terms in the garvening equations can not be droped and the WKB aproxima-tion fails.
当脉动幅度与平均磁场强度之比为有限值时，在一般情况下，控制方程中的非线性项不能略去，因而不能用WKB解来描述有限振幅脉动幅度的径向变化。
The results show that there is a 3-year period of precipitation field and autumnal careal yield fluctuation in Guizhou province.
结果表明，贵州降水与秋粮产量存在着3年左右的显著周期。
Extinction coefficient is a very important parameter in the field of particle sizing technology using optical fluctuation method. But the existing method dealing with it is not perfect.
消光系统在光脉动法颗粒粒径测量技术中是一个十分重要的物理量，但现有的消光系数处理方法有许多不完善的地方。
We investigate the fluctuation of price process in a stock market with Ising model and the mean field theory, and construct the corresponding random logarithmic price returns process.
再利用计算机模拟股票价格收益率的分布特征，模型很好的刻画了现实证券市场中股票收益率分布的宽尾现象、长记忆性，以及累积分布中尾部收益的指数递减现象。
Our research shows that the phase fluctuation of the driving field will results in a finite line width;
研究结果表明，驱动场位相涨落将导致有限线宽；
According to the analysis of the joint measurements with an electric field mill, a method is proposed to distinguish the fluctuation of the local elec...
根据与转轮式电场仪的联测记录的分析，本文提出了区分局地电状态波动和来自高空的电状态波动的影响的方法。
According to the analysis of the joint measurements with an electric field mill, a method is proposed to distinguish the fluctuation of th...
根据与转轮式电场仪的联测记录的分析，本文提出了区分局地电状态波动和来自高空的电状态波动的影响的方法。
High-yield field has a similar fluctuation as compared with low-yield field but their mechanisms are different.
研究结果表明旱作高产田与低产田相比，存在相似的产量波动性，区别是它在较高产量水平上波动。
The field experimental results show: the system provides the performances of anti-interference of multipath and fluctuation, with the bit error rates on the order of 10-2 to 10-3 at distance 12km.
海上实验结果表明：在传输距离为12公里时，系统的误码率为10 - 2至10 - 3，具有较强的抗多途和起伏干扰能力。
The field experimental results show: the system provides the performances of anti-interference of multipath and fluctuation, with the bit error rates on the order of 10-2 to 10-3 at distance 12km.
海上实验结果表明：在传输距离为12公里时，系统的误码率为10 - 2至10 - 3，具有较强的抗多途和起伏干扰能力。
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